Results 211 to 220 of about 66,822 (374)

Self‐Assembled Physical Unclonable Function Labels Based on Plasmonic Coupling

open access: yesAdvanced Optical Materials, EarlyView.
This article introduces advanced anti‐counterfeit labels crafted through DNA‐guided self‐assembly of plasmonic nanoparticles. Utilizing nanosphere lithography for dense and precise nanoparticle placement, these labels feature unique, unclonable optical signatures achieved through plasmonic coupling, detectable by an economical 3D‐printed dark field ...
Mihir Dass   +9 more
wiley   +1 more source

Mechanism of a Halogen Exchange Reaction in Water: Catalysis by Aqueous Media. [PDF]

open access: yesACS Cent Sci
Mandal I   +4 more
europepmc   +1 more source

Dynamic Structural Colors in Cholesteric Cellulose Composites: Achieving Spatial and Temporal Control

open access: yesAdvanced Optical Materials, EarlyView.
By combining static and time‐resolved optical, structural, and rheological techniques, we demonstrate that the blue‐shift upon solidification of ethyl cellulose‐acrylic acid mesophases corresponds to the reorientation of cholesteric domains. Modulating the mesophase chain mobility and photopolymerization reaction kinetics enables solid chiral nematic ...
Simona G. Fine   +2 more
wiley   +1 more source

Halogen modified organic porous semiconductors in photocatalysis: mechanism, synthesis, and application

open access: yesAdvanced Powder Materials
Photocatalysis is considered as the promising energy conversion way to resolve the issues of energy crisis and environmental pollution. As the key point of the photocatalysis, the photocatalyst determines the final conversion efficiency from solar ...
Yue Yang   +4 more
doaj  

Recent Progress in Organic TADF Emitters Containing Heavy Atoms

open access: yesAdvanced Optical Materials, EarlyView.
In this review, progress on heavy atom use in organic TADF emitters to produce internal and external heavy atom effects is summarized. Impacts on molecular geometry, TADF efficiency, and performance in OLEDs are discussed. An outlook on the challenges and opportunities of heavy atom incorporation is provided.
Seja A. Elgadi   +2 more
wiley   +1 more source

Arctic halogens reduce ozone in the northern mid-latitudes. [PDF]

open access: yesProc Natl Acad Sci U S A
Fernandez RP   +11 more
europepmc   +1 more source

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